This year, as we celebrate the birth of the Rev. Dr. Martin Luther King, Jr. we are too often tempted to celebrate what has been achieved rather than examine what God continues to call out of us. Hopefully we know that there is no such thing as "post-racial," even after the election of an African American president.

It's that time of year again -- you know, when Clint Eastwood releases a trailer for a movie that looks fascinating and completely different from the last thing he did, and your trio of reactions run something like this: 1) Hmmm, Clint's got a movie coming out -- didn't we just see 'Gran Torino' five minutes ago?

Forty-six years ago, on Aug. 28, the Rev. Dr. Martin Luther King Jr. stood and gave the "I Have a Dream" speech [full video below]. And even this sentence reveals one of the fundamental struggles that continues in our nation.

It was hard to miss me on the lava-rocked streets of Goma, Democratic Republic of Congo, while I was working for a locally led organization, HEAL Africa. I lacked the grace of Congolese women who glided across the tumultuous terrain in high heels while I tripped over the ubiquitous black rocks.